Parnassia (Grass of Parnassus). Saxifrageæ.
May be propagated by seeds or by divisions.
Parrotia. Hamamelideæ.
Increased by seeds or by layers.
Parrya. Cruciferæ.
Seeds and divisions.
Parsley (Apium Petroselinum). Umbelliferæ.
Seeds, which are usually sown out-doors. The roots may be taken up in fall to be forced under glass.
Parsnip (Pastinaca sativa). Umbelliferæ.
Fresh seeds, sown where the plants are to stand.